<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>frameset</title>
    <style>
        body{
            margin: 0;
        }
    </style>
</head>
    <frameset rows="80px, *, 100px" frameborder="no">
        <!-- 子页面 -->
        <frame src="frame/header.html">
        <frame src="frame/body.html">
        <frame src="frame/footer.html">
    </frameset>
</html>